Home / 27,081.30-37,372.68-15,145.14

Finding the Fourth Proportional to 27,081.30, 37,372.68 and 15,145.14

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Solution

The fourth proportional to 27,081.30, 37,372.68 and 15,145.14 is: 20,900.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,081.30 : 37,372.68 = 15,145.14 : x
  2. Step 2: Convert to fraction form
    27,081.30/37,372.68 = 15,145.14/x
  3. Step 3: Cross multiply
    27,081.30x = 37,372.68 × 15,145.14
  4. Step 4: Simplify right side
    27,081.30x = 566,014,470.78
  5. Step 5: Solve for x
    x = 566,014,470.78/27,081.30
  6. Step 6: Final answer
    x = 20,900.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.